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T ECHNICAL INFORMATION
Models No. DC9711
PRODUCT
P1/3
Description L
Charger
CONCEPTION AND MAIN APPLICATIONS H
This charger can charge both Ni-Cd.and Ni-MH.batteries
of which powers are 7.2V and 9.6V.
Its brief benefits and features are as follows.
* The charging time is kept in the steady level by controlling the W
out put current ( current for charging battery) in spite of the changeable
input voltage (power source voltage).
* The charger can switch into trickle charge (maintenance charge) mode
to keep the full charged condition for battery left in the charger.
Dimensions : mm ( " )
Width ( W ) 80 (3-1/8)
Height ( H ) 63 (2-1/2)
Length ( L ) 145 (5-3/4)
Specification
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Max. Output(W)
Input Output
220 - 240 50 / 60 35
230 - 240 50 / 60 35
Output voltage (D/C) 7.2 V, 9.6 V, The chargeable batteries
Output current (D/C) 1.5 A Voltage Type No. Charging time
Ni-Cd. battery 1.3Ah approx. 60 min. 7000 (Ni-Cd. 1.3Ah) approx. 60 min.
7.2 V 7002 (Ni-Cd. 2.0Ah) approx. 90 min.
Ni-Cd. battery 2.0Ah approx. 90 min. 7033 (Ni-MH. 2.2Ah) approx. 100 min.
Charging
Ni-MH.battery 2.2Ah approx. 100 min. 9000 (Ni-Cd. 1.3Ah) approx. 60 min.
time
Ni-MH.battery 2.6Ah approx. 115 min. 9100 (Ni-Cd. 1.3Ah) approx. 60 min.
Ni-MH.battery 3.0Ah approx. 130 min. 9120 (Ni-Cd. 1.3Ah) approx. 60 min.
9002 (Ni-Cd. 2.0Ah) approx. 90 min.
Net weight : Kg ( lbs ) 0.41 (0.9) 9.6 V 9102 (Ni-Cd. 2.0Ah) approx. 90 min.
Cord length : m ( ft ) 2.0 (6.6) 9102A (Ni-Cd. 2.0Ah) approx. 90 min.
9122 (Ni-Cd. 2.0Ah) approx. 90 min.
9033 (Ni-MH. 2.2Ah) approx. 100 min.
9133 (Ni-MH. 2.2Ah) approx. 100 min.
9134 (Ni-MH. 2.6Ah) approx. 115 min.
9135 (Ni-MH. 3.0Ah) approx. 130 min.
Features and benefits Equipped with trickle charge
P2/3
(maintenance charge) mode
Both Ni-Cd.and Ni-MH batteries If the full charged battery would be left in charger,
can be charged the charger will switch into trickle charge (maintenance
charge) mode to prevent spontaneous discharging.
This mode functions for 24 hours.
Red lamp indicates
Even if the heated battery "Stand by to charge"
(the battery from just operated machine) and " Be in charging
will be inserted in the charger, the charging process".
process will be started automatically
after battery's cooling down.
< Note > In the above case, the battery may
not be charged completely,
because full charged condition
is recognized with thermostat
as indicated in the diagram
below.
It is recommended to charge
after battery cools.
Black bottom color indicates
that it can charge both Ni-Cd.
and Ni-MH. batteries.
Charging system
* Controlling by micro computer : The installed micro computer recognizes the full charged condition, and
selects the optimum way to stop the charging process, from the followings.
A) Minus delta V system : Stop the charging process with recognizing the battery's voltage drop.
B) Delta T system : Stop the charging process with recognizing the change of battery's temperature.
( This system is applied to only the charger of 4 terminal-type.)
C) T system : Stop the charging process with recognizing the battery's temperature which is
input in the micro computer in advance. For instance the charging process is to
be stopped at 45